ISO 3159:1976 PDF
Timekeeping instruments — Wrist-chronometers with spring balance oscillator
Title (English):
ISO 3159:1976
Timekeeping instruments — Wrist-chronometers with spring balance oscillator
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 3
- Publication date:
- February 1, 1976
- Edition:
- ISO IS 3159 edition 1 version 1
- ICS:
- 39.040.10
Description (English):
Lays down the definition of the term "chronometer", describing the categoeries, the test programme and the acceptable minimum requirements for wrist-chronometers. Wristwatches using a tuning fork oscillator are subjected to these tests pending the availability of separate standards.
Technical details
- Technical committee
- ISO/TC 114 - Horology
- SKU
- ISO 3159:1976
